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Fix attach of a previously-detached injection point.

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It's normal for the name in a free slot to match the new name.  The
max_inuse mechanism kept simple cases from reaching the problem.  The
problem could appear when index 0 was the previously-detached entry and
index 1 is in use.  Back-patch to v17, where this code first appeared.
This commit is contained in:
Noah Misch 2024-08-22 00:07:04 -07:00
parent f636ab41ab
commit 6b1f78d90b
1 changed files with 1 additions and 2 deletions
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3
src/backend/utils/misc/injection_point.c
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@ -315,8 +315,7 @@ InjectionPointAttach(const char *name,
if (free_idx == -1) if (free_idx == -1)
free_idx = idx; free_idx = idx;
} }
else if (strcmp(entry->name, name) == 0)
if (strcmp(entry->name, name) == 0)
elog(ERROR, "injection point \"%s\" already defined", name); elog(ERROR, "injection point \"%s\" already defined", name);
} }
if (free_idx == -1) if (free_idx == -1)